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1. |
A cycle heat engine does 50 kJ of work per cycle. If the efficiency of the heat engine is 75%. The heat rejected per cycle is |
A. | <table><tr><td rowspan="2">16</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2"> kJ</td></tr><tr><td style="text-align: center;">3</td></tr></table> |
B. | <table><tr><td rowspan="2">33</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> kJ</td></tr><tr><td style="text-align: center;">3</td></tr></table> |
C. | <table><tr><td rowspan="2">37</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> kJ</td></tr><tr><td style="text-align: center;">2</td></tr></table> |
D. | <table><tr><td rowspan="2">66</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> kJ</td></tr><tr><td style="text-align: center;">2</td></tr></table> |
Answer» B. <table><tr><td rowspan="2">33</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> kJ</td></tr><tr><td style="text-align: center;">3</td></tr></table> | |